How to recover domain when the primary domain controller failes and there are member domain controllers

Many of us have probably dabbled in setting up our own domain and forest for development purposes. For me – a domain is a must – I have my development environment that is heavily used to model development projects for clents – and I have my family – me, my wife, and 7 children with [...]

VPN Ports

PPTP uses IP protocol 47, designed for “General Routing Encapsulation” or GRE packets. A common mistake in configuring firewalls for use with PPTP is to open PPTP port 1723 (allowing connections to be established) but forget to forward GRE protocol type 47 (denying port data from passing through the tunnel). Some operating systems include “PPTP [...]